tinba | c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddc

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20/01/2025, 19:45

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General

Target

c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe
Size

110KB
MD5

da6228ead68b98a0ac51191cbf8fa880
SHA1

5fb48d1d45051f2febbbdff11c684f6f0b6ccf79
SHA256

c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddc
SHA512

5307481dfb6d39e5aee6e4bc3628fd064cf3df7f6705a7303afde0128d2df741e7f5d3784c820f38903cd3acac8cc6428b836669d4d7fc59e6e3b31e26918e09
SSDEEP

1536:OiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:OiyvRmDLs/ZrwWJjAqGcRJ2hA

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\8901C490 = "C:\\Users\\Admin\\AppData\\Roaming\\8901C490\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2596-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe
1428	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1428	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 1428	2596	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe	31
PID 2596 wrote to memory of 1428	2596	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe	31
PID 2596 wrote to memory of 1428	2596	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe	31
PID 2596 wrote to memory of 1428	2596	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe	31
PID 2596 wrote to memory of 1428	2596	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe	31
PID 1428 wrote to memory of 1184	1428	winver.exe	21
PID 1428 wrote to memory of 1096	1428	winver.exe	19
PID 1428 wrote to memory of 1152	1428	winver.exe	20
PID 1428 wrote to memory of 1184	1428	winver.exe	21
PID 1428 wrote to memory of 1228	1428	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe
  "C:\Users\Admin\AppData\Local\Temp\c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1428

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1096-27-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1096-28-0x00000000770D1000-0x00000000770D2000-memory.dmp

Filesize
4KB

Download
memory/1152-20-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1152-29-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1184-4-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1184-26-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1184-10-0x00000000770D1000-0x00000000770D2000-memory.dmp

Filesize
4KB

Download
memory/1184-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1184-22-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1228-25-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/1228-31-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/1228-32-0x00000000770D1000-0x00000000770D2000-memory.dmp

Filesize
4KB

Download
memory/1428-11-0x0000000077080000-0x0000000077229000-memory.dmp

Filesize
1.7MB

Download
memory/1428-30-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1428-6-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1428-7-0x0000000077280000-0x0000000077281000-memory.dmp

Filesize
4KB

Download
memory/1428-8-0x000000007727F000-0x0000000077280000-memory.dmp

Filesize
4KB

Download
memory/1428-9-0x000000007727F000-0x0000000077281000-memory.dmp

Filesize
8KB

Download
memory/2596-13-0x0000000001C00000-0x0000000002600000-memory.dmp

Filesize
10.0MB

Download
memory/2596-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2596-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2596-5-0x0000000001C00000-0x0000000002600000-memory.dmp

Filesize
10.0MB

Download
memory/2596-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download